In the darkest days of World War II, St. Peter’s was shrouded in the shadow of the swastika. But even as the Führer surrounded him, the ...

Earthquakes, tsunamis, volcanic eruptions, and extreme weather. Has Earth always been this way? Featuring footage of top geologic hot spots on ...

In the mountains of Peru, an environmental scientist discovers ancient artifacts submerged beneath the headwaters of the Amazon; his findings ...